/* ============================================================
   绘画应用顶栏 + 嵌入式账户卡  (2026-09-11 16:30 重写)
   桌面端：账户入口嵌入侧栏底部；顶栏只留左侧返回+标题
   移动端：顶栏右侧保留简化胶囊触发器，账户菜单贴底
   ============================================================ */

/* ---- 顶栏容器：只放左侧返回+标题 ---- */
.main-topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  padding: 10px 30px;
  background: linear-gradient(180deg, var(--bg) 70%, rgba(0, 0, 0, 0));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  z-index: 30;
  height: 48px;
  box-sizing: border-box;
}

.main-topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.main-topbar-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 移动端触发器：桌面端隐藏 */
.main-topbar-right--mobile {
  display: none;
  margin-left: auto;
}

/* 主内容区让出顶栏高度 */
.main-content {
  padding-top: 52px;
}

/* ---- 返回官网：弱化为轻量文字链 ---- */
.main-topbar .ws-back-home {
  margin: 0;
  padding: 6px 10px;
  white-space: nowrap;
  flex: 0 0 auto;
  font-size: 12px;
  opacity: 0.8;
  border: 1px solid transparent;
  border-radius: 10px;
  transition: opacity 0.2s, color 0.2s, background 0.2s;
}
.main-topbar .ws-back-home:hover {
  opacity: 1;
  color: var(--accent);
  background: var(--accent-soft, rgba(0, 224, 240, 0.08));
}

/* ---- 侧栏嵌入式账户卡 ---- */
.sidebar-account-card {
  display: block;
  margin-top: auto;
  padding: 10px 0 4px;
  flex-shrink: 0;
}

.sidebar-account-card .topbar-user-dropdown {
  position: relative;
  display: block;
}

.sidebar-account-card .user-dropdown-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-strong, rgba(10, 28, 50, 0.94));
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  backdrop-filter: blur(20px) saturate(1.3);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
}

.sidebar-account-card .user-dropdown-trigger:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-glow);
  transform: translateY(-1px);
}

.sidebar-account-card .user-dropdown-trigger.open {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
}

.sidebar-account-card .user-dropdown-trigger .user-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-account-card .user-dropdown-trigger .user-quota-badge {
  flex-shrink: 0;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

/* 桌面端菜单向上弹出（侧栏底部空间不足） */
.sidebar-account-card .user-dropdown-menu {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 10px);
  top: auto;
  width: auto;
  max-height: none;
  overflow: visible;
  border-radius: 16px;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 -18px 50px rgba(0, 0, 0, 0.5);
  padding-bottom: 14px;
  z-index: 40;
}

/* ---- view-header 与清空记录按钮比例 ---- */
.view-header {
  align-items: center;
  margin-bottom: 18px;
  padding-top: 6px;
}
.view-header > div:last-child {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
#clearRecordsBtn {
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  transition: background 0.2s, border-color 0.2s;
}
#clearRecordsBtn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-glow);
}

/* ---- 移动端：顶栏右侧显示简化胶囊，侧栏账户卡隐藏 ---- */
@media (max-width: 860px) {
  .main-topbar {
    padding: 8px 14px;
    gap: 10px;
    height: 44px;
  }
  .main-topbar-title {
    font-size: 15px;
  }
  .main-content {
    padding-top: 48px;
    padding-left: 14px;
    padding-right: 14px;
  }
  .main-topbar-right--mobile {
    display: flex;
    align-items: center;
  }
  .main-topbar-right--mobile .user-dropdown-trigger--mobile {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px 5px 6px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel-strong, rgba(10, 28, 50, 0.94));
    color: var(--text);
    font-size: 13px;
    cursor: pointer;
  }
  .sidebar-account-card {
    display: none;
  }

  /* 移动端菜单：贴视口底部安全面板 */
  #userDropdownMenu {
    position: fixed;
    left: 10px;
    right: 10px;
    top: auto;
    bottom: 0;
    width: auto;
    max-height: 62vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 18px 18px 0 0;
    border-bottom: none;
    box-shadow: 0 -18px 50px rgba(0, 0, 0, 0.5);
    z-index: 1300;
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  }
  #userDropdownMenu::before {
    content: "";
    display: block;
    width: 44px;
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.22);
    margin: 2px auto 10px;
  }
  #userDropdownMenu .user-sheet-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 9px 12px;
    margin-bottom: 8px;
    border: 1px solid var(--line, rgba(255, 255, 255, 0.10));
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.05);
    color: inherit;
    font: inherit;
    font-size: 13px;
    cursor: pointer;
  }
}

/* 桌面端不显示收起按钮 */
.user-sheet-close { display: none; }
@media (max-width: 860px) {
  #userDropdownMenu .user-sheet-close { display: flex; }
}